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| Presentation | 2017-03-02 09:00 [Poster Presentation] Parameter estimation method for mirror filter based on quadratically constrained quadratic optimization -- A study on a estimation using measured displacement of the diaphragm -- Kenta Iwai (Kansai Univ.), Masao Yamagishi (Tokyo Tech), Yoshinobu Kajikawa (Kansai Univ.)  EA2016-127 SIP2016-182 SP2016-122 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper shows the parameter estimation results using the measured displacement of the diaphragm by parameter estimation method for mirror filter based on quadratically constrained quadratic optimization. Mirror filter is a nonlinear compensator for reducing nonlinear distortions of electrodynamic loudspeakers and its coefficients are determined by the linear and nonlinear parameters of the loudspeaker. The parameter estimation method for mirror filter based on quadratically constrained quadratic optimization utilizes the displacement, velocity and acceleration of the diaphragm and the input voltage of the loudspeaker for parameter estimation. The effectiveness of the parameter estimation method have already been shown by a computer simulation. Hence, in this paper, the effectiveness of the parameter estimation method using measured displacement is discussed. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Mirror filter / Electrodynamic loudspeaker / nonlinear distortion / parameter estimation / optimization problem / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 476, SIP2016-182, pp. 255-260, March 2017. | |
| Paper # | SIP2016-182 | |
| Date of Issue | 2017-02-22 (EA, SIP, SP) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EA2016-127 SIP2016-182 SP2016-122 |
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| Conference Information | |
| Committee | SP SIP EA |
| Conference Date | 2017-03-01 - 2017-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Industry Support Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2017-03-SP-SIP-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Parameter estimation method for mirror filter based on quadratically constrained quadratic optimization |
| Sub Title (in English) | A study on a estimation using measured displacement of the diaphragm |
| Keyword(1) | Mirror filter |
| Keyword(2) | Electrodynamic loudspeaker |
| Keyword(3) | nonlinear distortion |
| Keyword(4) | parameter estimation |
| Keyword(5) | optimization problem |
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| 1st Author's Name | Kenta Iwai |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Masao Yamagishi |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 3rd Author's Name | Yoshinobu Kajikawa |
| 3rd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-03-02 09:00:00 |
| Presentation Time | 90 minutes |
| Registration for | SIP |
| Paper # | EA2016-127, SIP2016-182, SP2016-122 |
| Volume (vol) | vol.116 |
| Number (no) | no.475(EA), no.476(SIP), no.477(SP) |
| Page | pp.255-260 |
| #Pages | 6 |
| Date of Issue | 2017-02-22 (EA, SIP, SP) |
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